S
M
T
W
T
F
S
26
90°
68°
27
90°
67°
28
91°
68°
29
92°
69°
30
93°
69°
31
92°
70°
1
92°
72°
2
93°
74°
3
96°
74°
4
97°
73°
5
98°
73°
6
98°
68°
7
92°
67°
8
90°
67°
9
90°
68°
10
91°
68°
11
92°
69°
12
95°
68°
13
93°
69°
14
94°
70°
15
95°
72°
16
96°
71°
17
96°
66°
18
89°
65°
19
90°
70°
20
93°
73°
21
95°
72°
22
95°
72°
23
94°
71°
24
95°
72°
25
95°
72°
26
94°
71°
27
94°
72°
28
93°
72°
29
93°
71°
30
92°
72°
31
91°
69°
1
90°
68°
2
90°
68°
3
89°
66°
4
92°
70°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Elgin
Elgin's August 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 65° and 74°. The average high for August is 93° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Elgin. See also: September | October | November.
